Over the years, I have had a few hens come up lame... no obvious injury, break, or extreme damage, but obviously in pain. I let them be after the initial exam. All three (the ones that I can remember) did a lot of limping, laying around, some chose to sleep in a nest box rather than roost. Good news is they all got better on their own. 4 weeks or so. One took a lot longer... almost 5 months... Buster, a very heavy Cuckoo Orp who probably sprained something in her hip getting off the roost. I have an 8 yr old EE that has been limping a bit, but hasn't slowed her down much. Was hanging out on the patio and got a good look at Monkey's foot... middle toe is swollen, possible broken, but I'm letting her be. With Monkey, the cure would be worse than the problem!
Do you call your Henri "Henry" or "Ohnri"?
We have a cat named Henry that gets called all sorts of things

but Ohnri is my favorite. Gives him some class!